it's what makes a subaru, a subaru. and i'm frank mallicoa times 6-- 's mgood morning, yone. itda april . 22 i'm michelle griego. >> hi, everyone. i'm frank mallicoat. it is 6:30. at this hour, doctors in boston are now planning an update on patients who are still in the hospital because of the bombings one week ago today. >> meanwhile, there will be a moment of silence this afternoon in massachusetts. boston's police commissioner says the two brothers had more explosives and may have been planning more attacks. the 19-year-old suspect, who was caught friday, has been communicating with officials by writing. susan mcginnis reports that suspect is unable to speak. >>> reporter: 19-year-old dzhokhar tsarnaev is reportedly awake and responding to investigators' question. -- questions. sources tell us he is writing out his answers because of a gunshot wound in his throat that has left him unable to speak. a special interrogation team from the fbi will handle the questioning. >> how did they plan this, what was the motive, did they have help and are there others out there? >> repo